2024-10-22
09:44 |
Quantifying the computational speedup with madgraph4gpu for CMS worflow
/CMS Collaboration
In this note, we present the first analysis of the computational speedup achieved using the GPU
version of MadGraph, known as Madgraph4GPU(MG4GPU), in the CMS workflow. MadGraph is one
of the most widely used event generators in CMS. [...]
CMS-DP-2024-086; CERN-CMS-DP-2024-086.-
Geneva : CERN, 2024 - 23 p.
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2024-10-22
09:44 |
Update of the vertex reconstruction using track time from MTD
/CMS Collaboration
The latest improvements in the vertex reconstruction using the timing information provided by the Mip Timing Detector (MTD) [1] are presented. An update of the vertex reconstruction algorithm with timing, labelled as ``4D'', is introduced and compared to the legacy algorithm, referred to as ``4DLegacy'', and to the 3D vertex algorithm, labelled as ``3Dt''. [...]
CMS-DP-2024-085; CERN-CMS-DP-2024-085.-
Geneva : CERN, 2024 - 13 p.
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2024-10-21
10:52 |
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2024-10-21
10:52 |
Notice détaillée - Notices similaires
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2024-10-21
10:52 |
2024 HLT timing and throughput results
/CMS Collaboration
This note presents measurements of the computational performance of the HLT in 2024, in terms of timing (time per event), throughput (events processed per unit time), memory usage and power efficiency. Different configurations are compared, demonstrating the improvements brought by offloading part of the HLT reconstruction to GPUs..
CMS-DP-2024-082; CERN-CMS-DP-2024-082.-
Geneva : CERN, 2024 - 38 p.
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2024-10-21
10:52 |
Towards a GPU compatible electron seeding algorithm
/CMS Collaboration
This note presents first results on the development of a parallelizable algorithm for building tracking seeds in the reconstruction of electrons..
CMS-DP-2024-081; CERN-CMS-DP-2024-081.-
Geneva : CERN, 2024 - 7 p.
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2024-10-14
10:52 |
FlashSim
/CMS Collaboration
FlashSim is a Machine Learning based, end-to-end event simulation framework. It is being actively developed and optimized to meet the increasing demands of simulated samples, both now and in the near HL-LHC future.
It is a fully agnostic, not analysis specific framework, trained on CMS, Geant4-based Full Simultation, going from (NANO)GEN to NANOAODSIM at O(100) Hz speed, with the aim to deliver a dataset in NANOAOD format at FastSim (or better) accuracy. [...]
CMS-DP-2024-080; CERN-CMS-DP-2024-080.-
Geneva : CERN, 2024 - 35 p.
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2024-09-16
13:24 |
The role of the RPCs in the CMS Level-1 Trigger during Phase-2
/CMS Collaboration
This document describes the main features of the Endcap Muon Track Finder algorithm, which is the Level 1 trigger algorithm in the endcaps. In the endcaps of the CMS experiment there are three subsystems: Cathode Strip Chambers , Gaseous Electron Multipliers, and Resistive Plate Chambers (RPCs). [...]
CMS-DP-2024-079; CERN-CMS-DP-2024-079.-
Geneva : CERN, 2024 - 11 p.
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2024-09-16
13:24 |
Pixel Detector Performance in Run 3 (June 2024)
/CMS Collaboration
The Large Hadron Collider (LHC) continued delivering proton-proton collisions in 2024 as part of the LHC Run3 that started in 2022. The collisions are produced at the centre-of-mass energy of 13.6 TeV. [...]
CMS-DP-2024-078; CERN-CMS-DP-2024-078.-
Geneva : CERN, 2024 - 32 p.
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2024-09-10
11:34 |
Performance of physics objects with low transverse momentum using ultraperipheral PbPb collisions at 5.36 TeV in 2023
/CMS Collaboration
Physics objects at low transverse momentum ($p_\mathrm{T}$) appear in several final states of interest in CMS analyses utilizing the ``photonic mode'' of LHC, i.e., as a result of photon-photon, photon-proton, or proton-nuclear interactions. The large interaction cross section of charged particles with the tracker material and the presence of the strong CMS magnetic field, however, lead to small reconstruction efficiency at low $p_\mathrm{T}$. [...]
CMS-DP-2024-011; CERN-CMS-DP-2024-011.-
Geneva : CERN, 2024 - 17 p.
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